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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 12:45:13 +0000
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+# Exploring the map
+
+Once you enable the *Host Map* module, it will pop up in your menu in the ``Maps`` section.
+When you click on it, it will show you a map:
+
+![Map overview](screenshot/02_getting-started/0201_map-overview.png)
+
+## Basic usage
+
+Every host is represented by a colored marker, which indicates the overall host state.
+
+Markers are grouped into clusters, depending on their location and the zoom level. Every cluster marker has a label with the number of clustered markers.
+
+![Clustered map](screenshot/02_getting-started/0202_sub-cluster.png)
+
+By clicking on the icon, the cluster expands and the underlying host markers will be visible:
+
+![Expanded cluster](screenshot/02_getting-started/0203-cluster-expanded.png)
+
+To show more details about a host click on the host marker. If you want to show the host in the detail view of the `monitoring module` just click on the eye icon.
+
+![Marker popup](screenshot/02_getting-started/0204_marker-popup.png)
+
+### Control elements
+
+In the upper left corner of the map there are six control elements:
+
+![Control elements](screenshot/02_getting-started/0205_control-elements.png)
+
+## Filtering host objects
+
+The usual icingaweb2 filter syntax can be used to filter the set of hosts being displayed. Filters have to be appended to the url (eg. `?host=web*`)
+
+**Filter examples:**
+
+| Filter expression | Description |
+| ----------------------------------------------------- | ------------ |
+| hostgroup_name=customer1&_host_environment=production | Show all hosts of hostgroup `customer1` of where the custom variable environment is equal to `production` |
+| _host_customer=(max-corp\|icinga) | Show all hosts where the custom variable `customer` is set to `max-corp` or `icinga` |
+| host_in_downtime=0&host_acknowledged=0 | Don't show acknowledged or objects in downtime |
+
+
+## Dashboard integration
+
+To add a map widget to a dashboard (or a new one) click on the `Add to dashboard` button as shown above. Any filters which are applied to the current view, are also stored in the dashlet.
+
+
+## Settings
+
+Besides the global map configuration in the module settings, it is possible to override these settings per user or per each map.
+
+The following parameters could be overriden:
+
+| Parameter |
+| --- |
+| min_zoom |
+| max_zoom |
+| max_native_zoom |
+| disable_cluster_at_zoom |
+| default_zoom |
+| default_long |
+| default_lat |
+| stateType |
+| cluster_problem_count |
+| tile_url |
+
+Hierarchy: ``Module Config < User Config < Map Config``
+
+### Map specific overrides
+
+All config parameters above could be changed for the specific map by adding it to the URL. Use the ampersand sign for concatenation of multiple parameters.
+
+Example: ``/icingaweb2/map?default_zoom=20&default_long=13.370324&default_lat=52.500859``
+
+### User specific overrides
+
+The way in which a user-specific configuration can be stored depends on how Icinga Web 2 manages its configuration.
+
+#### File
+
+Add a new section named ``map`` to your users Icinga Web 2 configuration (``/etc/icingaweb2/preferences/<USERNAME>/config.ini``) and put in the parameters you would like to override.
+
+#### Database
+
+You need to manually insert an entry in the users database configuration for each parameter you'd like to change:
+
+```sql
+insert into icingaweb_user_preference values ("USER", "map", "default_zoom", 5, "2018-08-23 08:52:19", "2018-08-23 08:52:19");
+insert into icingaweb_user_preference values ("USER", "map", "default_lat", "29.87", "2018-08-23 08:52:19", "2018-08-23 08:52:19");
+insert into icingaweb_user_preference values ("USER", "map", "default_long", "-88.90", "2018-08-23 08:52:19", "2018-08-23 08:52:19");
+```
+
+### Disable clustering
+In some environments it is desired not to cluster the markers.
+The cluster function can be deactivated with the configuration option ``disable_cluster_at_zoom``, either at a certain zoom level (e.g. ``disable_cluster_at_zoom=10`` or completely (``disable_cluster_at_zoom=1``)
+
+### Show number of problems instead of totals
+
+Set ``cluster_problem_count`` to ``1`` to show the number of problems in the cluster instead of the marker count. \ No newline at end of file